CITRUS CANKER
|
Citrus (Orange)

SOURCE:
J. H. Graham
DISEASE:
Citrus canker
HOST:
Citrus (Orange)
(Citrus sinensis)
Upper side of leaves with corky, raised lesions surrounded by yellow halos, a late stage of disease. Such infections usually are visible on lower sides of leaves first and soon after on upper sides.
PATHOGEN:
Xanthomonas citri subsp. citri
PATHOGEN SYNONYM:
Xanthomonas citri